HBO has canceled the sleeper comedies to make way for more fresh programming coming down the pipeline. Hung and Bored each ran for three seasons, and America ran for two.

In the meantime, the pay cabler ordered a second season of Enlightened, the Laura Dern starrer that just earned Golden Globe nods for best TV series (comedy/musical) and for best actress.

In 2012, HBO will roll out Luck, a new drama from Michael Mann and David Milch that stars Dustin Hoffman; as well as Aaron Sorkin’s series about life behind the scenes of a cable-news show. The network will also premiere Veep, starring Julia Louis-Dreyfus, Girls, Life’s Too Short, and Angry Boys.

New seasons of Game of Thrones, True Blood, Boardwalk Empire, and Treme also are coming. No word yet, though, on a new season of Curb Your Enthusiasm (but our fingers are crossed).